He became most famous internationally for conducting many of the film scores written by Ennio Morricone.
In addition to his extensive work as a conductor and musical director, he was an accomplished composer who scored well over 100 motion picture and television productions.
As a conductor for many of the film scores composed by Ennio Morricone, many of the film scores he composed imitated Morricone's style, especially for the spaghetti western genre.